[PATCH 01/20] armv7m: cache: add mmu_set_region_dcache_behaviour() stub for compatibility

Since some driver requires this function add it as an empty stub when DCACHE is OFF.

Signed-off-by: Giulio Benetti giulio.benetti@benettiengineering.com --- arch/arm/cpu/armv7m/cache.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/arch/arm/cpu/armv7m/cache.c b/arch/arm/cpu/armv7m/cache.c index f4ba3ad50e..7353698557 100644 --- a/arch/arm/cpu/armv7m/cache.c +++ b/arch/arm/cpu/armv7m/cache.c @@ -291,6 +291,12 @@ void flush_dcache_all(void) void invalidate_dcache_all(void) { } + +void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size, + enum dcache_option option) +{ +} + #endif

#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)